package com.atguigu.controller;

import com.atguigu.exceptionhandler.GUliException;
import com.atguigu.utils.R;
import com.atguigu.domain.EduTeacher;
import com.atguigu.domain.vo.TeacherQuery;
import com.atguigu.service.EduTeacherService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Api(description = "讲师管理")
@RestController
@RequestMapping("/eduservice/teacher")
@CrossOrigin
public class EduTeacherController {
    @Autowired
    private EduTeacherService eduTeacherService;

    @ApiOperation(value = "所有讲师列表")
    @GetMapping("/findAll")
    public R fillAll(){
        List<EduTeacher> list = eduTeacherService.list(null);

        return R.ok().data("items",list);
    }

    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("/{id}")
    public R removeTeacher(@ApiParam(name = "id", value = "讲师id", required = true) @PathVariable String id){
        boolean flag = eduTeacherService.removeById(id);
        if(flag){
            return R.ok();
        }else{
            return R.error();
        }
    }

    @ApiOperation(value = "讲师分页查询")
    @GetMapping("/page/{current}/{limit}")
    public R pageListTeacher(@PathVariable Long current,@PathVariable Long limit ){
        Page<EduTeacher> page = new Page<EduTeacher>(current, limit);

        try{
          int i = 10 / 0;
        }catch(Exception e){
            throw new GUliException(20001,"执行了自定义异常处理");
        }

        eduTeacherService.page(page, null);
        long total = page.getTotal();
        List<EduTeacher> records = page.getRecords();
        Map map = new HashMap();
        map.put("total",total);
        map.put("records",records);
        return R.ok().data(map);

    }

    @ApiOperation(value = "讲师条件分页查询")
    @PostMapping("/pageCondition/{current}/{limit}")
    public R pageCondition(@PathVariable Long current, @PathVariable Long limit , @RequestBody(required = false) TeacherQuery teacherQuery){
        Page<EduTeacher> page = new Page<EduTeacher>(current, limit);
        QueryWrapper<EduTeacher> queryWrapper = new QueryWrapper<EduTeacher>();

        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if(!StringUtils.isEmpty(name)){
            queryWrapper.like("name",name);
        }
        if(!StringUtils.isEmpty(level)){
            queryWrapper.eq("level",level);
        }
        if(!StringUtils.isEmpty(begin)){
            queryWrapper.ge("gmt_create",begin);
        }
        if(!StringUtils.isEmpty(end)){
            queryWrapper.le("gmt_create",end);
        }
        queryWrapper.orderByDesc("gmt_create");

        eduTeacherService.page(page, queryWrapper);
        Long total = page.getTotal();
        List<EduTeacher> records = page.getRecords();
        Map map = new HashMap();
        map.put("total",total);
        map.put("records",records);
        return R.ok().data(map);

    }

    @ApiOperation(value = "添加讲师")
    @PostMapping("/addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = eduTeacherService.save(eduTeacher);
        if(save){
            return R.ok();
        }else{
            return R.error();
        }
    }

    @ApiOperation(value = "根据id查询讲师")
    @GetMapping("/getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher teacher = eduTeacherService.getById(id);
        return R.ok().data("teacher",teacher);
    }

    @ApiOperation(value = "修改讲师")
    @PostMapping("/updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = eduTeacherService.updateById(eduTeacher);
        if(flag){
            return R.ok();
        }else{
            return R.error();
        }

    }
}
